C1+C2 allocations were stable under disjoint corpora and fourfold smaller or larger calibration sets, with downstream LongBench scores in a narrow band; a Python-source calibration also changed HumanEval pass@1 by at most 1.6 points.

Reported and observed measurements

No immutable Assessment has been published for this Claim yet.

No execution has been linked to this Claim yet.

Each row is a measurement with its reported value, latest available observation, and cumulative evidence state.
Metric and conditions	Reported	Latest observation	Evidence judgment
bpd: 1 · side: K-only · model: LLaMA-3.1-8B · method: KV-COBRA_KL · calibration: reference n=32 WikiText-2	10.8 F1	—	Not assessed
bpd: 1 · side: K-only · model: Mistral-7B-v0.3 · method: KV-COBRA_KL · calibration: reference n=32 WikiText-2	10.6 F1	—	Not assessed
bpd: 1 · side: K-only · model: Qwen2.5-7B-Instruct · method: KV-COBRA_KL · calibration: reference n=32 WikiText-2	9.4 F1	—	Not assessed
calibration: disjoint WikiText-2 draw	0.992 correlation	—	Not assessed
calibration: disjoint WikiText-2 draw	1 correlation	—	Not assessed
calibration: disjoint WikiText-2 draw	97%	—	Not assessed
calibration: disjoint WikiText-2 draw	100%	—	Not assessed
calibration: disjoint WikiText-2 draw	0.45 dimensions	—	Not assessed
calibration: disjoint WikiText-2 draw	1.17 dimensions	—	Not assessed
bpd: 1 · side: K-only · model: LLaMA-3.1-8B · method: KV-COBRA_KL · calibration: disjoint WikiText-2 draw	9.6 F1	—	Not assessed
bpd: 1 · side: K-only · model: Mistral-7B-v0.3 · method: KV-COBRA_KL · calibration: disjoint WikiText-2 draw	10 F1	—	Not assessed
bpd: 1 · side: K-only · model: Qwen2.5-7B-Instruct · method: KV-COBRA_KL · calibration: disjoint WikiText-2 draw	9.4 F1	—	Not assessed

Metric and conditions

Reported

Latest observation

Evidence judgment

bpd: 1 · side: K-only · model: LLaMA-3.1-8B · method: KV-COBRA_KL · calibration: reference n=32 WikiText-2

10.8 F1

—

Not assessed

bpd: 1 · side: K-only · model: Mistral-7B-v0.3 · method: KV-COBRA_KL · calibration: reference n=32 WikiText-2

10.6 F1

—

Not assessed

bpd: 1 · side: K-only · model: Qwen2.5-7B-Instruct · method: KV-COBRA_KL · calibration: reference n=32 WikiText-2

9.4 F1

—

Not assessed